import datahub.emitter.mcp_builder as builder
import datahub.metadata.schema_classes as models
from datahub.emitter.mce_builder import datahub_guid
from datahub.emitter.mcp import MetadataChangeProposalWrapper


def test_guid_generator():
    key = builder.SchemaKey(
        database="test", schema="Test", platform="mysql", instance="TestInstance"
    )

    guid = key.guid()
    assert guid == "f096b3799fc86a3e5d5d0c083eb1f2a4"


def test_guid_generator_with_empty_instance():
    key = builder.SchemaKey(
        database="test",
        schema="Test",
        platform="mysql",
        instance=None,
    )

    guid = key.guid()
    assert guid == "693ed953c7192bcf46f8b9db36d71c2b"


def test_guid_generator_with_instance():
    key = builder.SchemaKey(
        database="test",
        schema="Test",
        platform="mysql",
        instance="TestInstance",
    )
    guid = key.guid()
    assert guid == "f096b3799fc86a3e5d5d0c083eb1f2a4"


def test_guid_generator_with_backcompat_instance():
    key = builder.SchemaKey(
        database="test",
        schema="Test",
        platform="mysql",
        instance=None,
        backcompat_instance_for_guid="TestInstance",
    )
    guid = key.guid()
    assert guid == "f096b3799fc86a3e5d5d0c083eb1f2a4"


def test_guid_generators():
    key = builder.SchemaKey(
        database="test", schema="Test", platform="mysql", instance="TestInstance"
    )
    guid_datahub = datahub_guid(key.dict(by_alias=True))

    guid = key.guid()
    assert guid == guid_datahub


def test_mcpw_inference():
    mcpw = MetadataChangeProposalWrapper(
        entityUrn="urn:li:dataset:(urn:li:dataPlatform:bigquery,harshal-playground-306419.test_schema.excess_deaths_derived,PROD)",
        aspect=models.DomainsClass(domains=["urn:li:domain:health"]),
    )
    assert mcpw.entityType == "dataset"
    assert mcpw.aspectName == "domains"